Izindaba

Njengoba igama lisho, ipayipi lensimbi elinamandla liwuhlobo lwepayipi lensimbi elingathuthukisa ukumelana nokugqwala kwepayipi lensimbi, ngakho-ke indlela ye-zinc plating isetshenziswa ebusweni bepayipi lensimbi ukuze kuthuthukiswe impilo yepayipi lensimbi. Manje abakhiqizi abaningi ngokwengeziwe, abakhi, abathengi abasekho...Funda kabanzi»

Umthungo oqondile wepayipi oshiselwe uyinto ebaluleke kakhulu yokwakha kungakhathaliseki ukuthi ukwakhiwa noma ekukhiqizeni okuvamile. Isimo sokuncintisana ezimakethe sibucayi kakhulu emabhizinisini okukhiqiza amapayipi ngoba ukuthuthukiswa kwemboni yezokwakha kwehlile. Ngakho-ke isidingo se-st...Funda kabanzi»

Kunemikhiqizo eminingi yamapayipi ensimbi emakethe futhi evame kakhulu ipayipi lensimbi elishiselwe. Ngokwezidingo ezihlukene zezimboni kanye nezidingo zokucubungula, izidingo zokucubungula kanye nekhwalithi zamapayipi ensimbi zihlukile. Kukhona umehluko phakathi kwepayipi ne-tube ku-forei...Funda kabanzi»

Ngenxa yamandla amakhulu, ukufana, isisindo esincane, ukusebenziseka kalula, nezinye izakhiwo eziningi ezifiselekayo, ipayipi lensimbi eliphehliwe liye lasetshenziswa kabanzi kumaphrojekthi wokwakha ahlukahlukene namuhla. E-United Kingdom, isibonelo, u-90% wezakhiwo zezimboni ezinesitezi esisodwa kanye no-70% wezimboni eziningi zezindaba...Funda kabanzi»

Njengomthetho, iphrojekthi ngayinye ihlulelwa ekusetshenzisweni kwayo kwensimbi yesakhiwo kusukela kumbono wobunjiniyela bezakhiwo kanye nesakhiwo. Ngokuhamba kweminyaka, ipayipi lensimbi eliphehliwe liye laba enye yezinto zokwakha ezithandwa kakhulu ezisetshenziswa kabanzi emkhakheni wokwakha emhlabeni jikelele. Iningi lazo...Funda kabanzi»

Ngokuvamile, kunezinhlobo ezintathu ezinkulu zezinto zensimbi ethathiwe emakethe yamanje yamapayipi ensimbi: 1) Insimbi yediphu eshisayo eshisayo: Ngokubhekiselwa epayipini lensimbi elicwilisiwe elishisayo, inqubo yokufaka umpheme wediphu eshisayo yilapho ingxenye eseyakhekile kakade, isibonelo ipuleti. , iyindilinga, isikwele noma i-rect...Funda kabanzi»

Emakethe yamanje yensimbi, ngokukhuphuka kwamanani amasha entengo yamapayipi ensimbi, kusho ukuthi ipayipi lensimbi selithandwa kakhulu ngabantu empilweni namuhla. Ipayipi lensimbi elakhiwe ngokujwayelekile linezindleko eziphusile emakethe. Uma kuqhathaniswa namanye amapayipi ensimbi ajwayelekile...Funda kabanzi»

Ipayipi le-steel gi, ngandlela thize lithathwa njengomkhiqizo ongcono kwezinye izinhlelo zokusebenza ezimbalwa, ngoba lelula impilo yesevisi futhi linezindleko eziphansi ezisetshenziswayo. Njengomthetho, ukushiselwa kwepayipi lensimbi yaseChina kwenziwa cishe ngendlela efanayo nokushiselwa kwensimbi engenalutho yekhompi efanayo...Funda kabanzi»

Kuningi ukusetshenziswa okuhlukene kwamapayipi ensimbi enani lezimboni. Ezinye zezindawo ezijwayeleke kakhulu ozothola amapayipi ensimbi asezindaweni zokuhlala kanye nezohwebo zomoya noma njengezinto ezisetshenziselwa ukwakha amathini kadoti aqinile, ahlala isikhathi eside. Kukholakala ukuthi abantu abaningi...Funda kabanzi»

Uma kuziwa epayipini lensimbi elicwilisiwe elishisayo, inqubo yokufaka i-hot-dip galvanizing iholela kusibopho se-metallurgical phakathi kwe-zinc nensimbi enochungechunge lwama-alloys e-iron-zinc ahlukile. Ulayini ojwayelekile wokufaka idiphu oshisayo usebenza kanje: ◆Insimbi ihlanzwa kusetshenziswa isixazululo se-caustic. Lokhu kususa...Funda kabanzi»

Emakethe yamanje yensimbi, ngokukhuphuka kwamanani amasha entengo yamapayipi ensimbi, abantu bakhathazeka ngamathemba okuthuthukiswa kwamapayipi ensimbi ezinsukwini ezizayo. Eqinisweni, konke kuyize. Okubaluleke kakhulu ukucatshangelwa ukuthi ube nokuqonda okunenhloso...Funda kabanzi»

Ezikhathini zanamuhla, kunesidingo esikhulu esingaba khona samapayipi ensimbi abandayo emakethe yamapayipi ensimbi. Izingxenye eziyizigodi ezakheke ngokubanda zinezinzuzo ezimbili ngaphezu kwezingxenye eziyizigodi eziphelile ezishisayo ezibonakala zingahlobene ngokuqondile nemibono yesakhiwo. ngokombono wobuhle, i-st...Funda kabanzi»

Ukugqwala okumhlophe kuyisenzakalo esingemuva kokuvuthwa. Isibopho sokuvimbela silele endleleni opakishwa ngayo, ophathwa ngayo futhi ogcinwe ngayo ngaphambi kokufaka nokusetshenziswa komkhiqizo. Ukuba khona kokugqwala okumhlophe akukona ukubonakaliswa kokusebenza kwe-galvanized coating, kodwa kunalokho izimpendulo...Funda kabanzi»

Namuhla, ngokuthuthuka okuqhubekayo kokuhwebelana kwembulunga yonke kwezomnotho, ipayipi lensimbi yase-Tianjin nayo ibambe iqhaza kakhulu ekuthuthukisweni komnotho wamanje. Ngokuvamile, amabhizinisi amapayipi ensimbi kufanele aqale njalo kusukela ezidingweni zangempela zamakhasimende. Ngaphezu kwalokho, ukuze kuthuthukiswe...Funda kabanzi»

Mayelana nokuthi ipayipi lensimbi elicwiliswe kanjani, inqubo yokufaka uthayela wediphu eshisayo iphumela kusibopho se-metallurgical phakathi kwe-zinc nensimbi enochungechunge lwamaalloyi e-iron-zinc ahlukile. Ulayini ojwayelekile wokucwilisa oshisayo usebenza kanje: 1. Insimbi ihlanzwa kusetshenziswa isixazululo se-caustic. Lokhu kususa...Funda kabanzi»

Namuhla, amapayipi ensimbi anezimakethe ezinkulu zokuthengisa unyaka ngamunye emakethe yensimbi. Ngokubuka ubuchwepheshe bokucubungula ukukhiqiza, ipayipi elinothayela lihlukaniswe ngezinhlobo ezimbili: ipayipi eliphehliwe kagesi kanye nepayipi elishisayo lokucwilisa. Empilweni, abantu bajwayele ukubiza i-hot dipped galvanized pi...Funda kabanzi»

Ekuqaleni, ukuthuthwa kwamapayipi ukuthuthwa kwempahla noma izinto zokwakha ngepayipi. Izinhlobo eziningi zamapayipi ensimbi zisetshenziselwa kabanzi amapayipi kumaphrojekthi amapayipi ahlukene namuhla. Ngawo-1860 njengoba ibhizinisi lamapayipi likhula, ukulawulwa kwekhwalithi yokwenziwa kwamapayipi kwaba ngokoqobo futhi ...Funda kabanzi»

Emakethe yamanje yamapayipi ensimbi, ipayipi lensimbi elicwilisiwe elishisayo lithandwa kakhulu phakathi kwabantu ngenxa yohlelo lwalo lokuvikela ukugqwala olungabizi kakhulu, olunganakekeli oluzokwazi ukuhlala amashumi eminyaka ngisho nasezimweni ezinzima kakhulu. Uma sikhuluma ngobuchwepheshe, ungqimba lwezinc lwediphu eshisayo...Funda kabanzi»

Ezikhathini zanamuhla, kunezinzuzo eziningi zokusebenzisa insimbi njengento yokwakha ngoba insimbi iyimpahla yokwakha eguquguqukayo, okuholele ekufakweni kwayo cishe kuzo zonke izigaba zenqubo yokwakha kusukela ekufakeni uhlaka kanye nokuhlanganisa phansi, kuya ezintweni zokufulela. Ngokwesibonelo, ipayipi lensimbi...Funda kabanzi»

Mhlawumbe uyazibuza ukuthi ungakhetha kanjani uhlobo olufanele lwepayipi lensimbi kuphrojekthi yakho njengoba kunezinhlobo ezahlukene zamapayipi ensimbi ozikhethele emakethe. Ukwenza ukukhetha kwephrojekthi phakathi kwezinhlobo ezahlukene zamapayipi ensimbi noma ishubhu kubonakala kuhlale kuyindaba ebuhlungu phakathi kwabasebenzisi abaningi bokugcina empilweni...Funda kabanzi»

Namuhla, ipayipi lensimbi elingenamthungo lisetshenziswe kabanzi ekusetshenzisweni okuhlukahlukene okuhlanganisa amapayipi kawoyela negesi, i-petrochemical kanye nemboni yezokwakha. Kukholakala ukuthi mhlawumbe uhlangabezana nokudideka mayelana nendlela yokukhetha imikhiqizo yensimbi efanele yephrojekthi yakho. Noma ungase ukhathazeke ngokuthi ...Funda kabanzi»

Emakethe yamanje yamapayipi ensimbi, kukholakala ukuthi ungakwazi njalo ukuthola imikhiqizo oyifunayo njengoba kunezinhlobo eziningi zamapayipi ensimbi atholakalayo ukuze asetshenziswe ezinhlelweni ezihlukahlukene. Ipayipi elishiselwe litholakala kabanzi futhi liyathengeka, ngakho-ke liba yisinqumo esidumile kakhulu ...Funda kabanzi»

Emakethe yepayipi yensimbi yamazwe ngamazwe, idolobha laseTianjin lidume ngezinhlobo ezahlukene zamapayipi ensimbi embonini yamapayipi ensimbi namuhla. Ukuthuthukiswa kwebhizinisi lamapayipi e-Tianjin bekulokhu kuyisibonelo sokunakwa kontanga, ngenxa yezinsiza ezicebile kanye nentuthuko yayo evuthiwe. Ukuthuthukiswa okuyimpumelelo...Funda kabanzi»

Njengoba abangaphakathi bazi, ipayipi likathayela wuhlobo lwepayipi olunomthamo omkhulu wokuthengisa emakethe yamapayipi ensimbi. Isetshenziswe kabanzi emisebenzini ehlukahlukene yokukhiqiza. Ngomqondo othile, kokubili ukusetshenziswa okulungile nokugcinwa kwepayipi kamuva ekusetshenzisweni okungokoqobo nakho kubaluleke kakhulu. Ho...Funda kabanzi»